260761660 has 12 divisors (see below), whose sum is σ = 547599528. Its totient is φ = 104304656.

The previous prime is 260761609. The next prime is 260761661. The reversal of 260761660 is 66167062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260761661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6519022 + ... + 6519061.

It is an arithmetic number, because the mean of its divisors is an integer number (45633294).

Almost surely, 2^260761660 is an apocalyptic number.

260761660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260761660 is an abundant number, since it is smaller than the sum of its proper divisors (286837868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260761660 is a wasteful number, since it uses less digits than its factorization.

260761660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13038092 (or 13038090 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 260761660 is about 16148.1162988133. The cubic root of 260761660 is about 638.8730656475.

The spelling of 260761660 in words is "two hundred sixty million, seven hundred sixty-one thousand, six hundred sixty".